from flask import g, redirect, render_template, request, current_app, session, abort
from flask.json import jsonify

from . import profile_blu
from ... import db, constants
from ...models import Category, News, User
from ...utils.common import user_login_data
from ...utils.image_storage import storage
from ...utils.response_code import RET


@profile_blu.route('/info')
@user_login_data
def user_info():
    user = g.user
    if not user:
        return redirect('/')
    data = {'user': user.to_dict()}
    return render_template('news/user.html', data=data)


@profile_blu.route('/base_info', methods=['post', 'get'])
@user_login_data
def base_info():
    if request.method == "GET":
        user = g.user
        data = {
            "user": user.to_dict()
        }
        return render_template('news/user_base_info.html', data=data)
    # 取参数
    nick_name = request.json.get('nick_name')
    signature = request.json.get('signature')
    gender = request.json.get('gender')
    if not all([nick_name, signature, gender]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    if gender not in ('WOMAN', 'MAN'):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    user = g.user
    user.signature = signature
    user.nick_name = nick_name
    user.gender = gender
    try:
        db.session.commit()
    except Exception as e:
        db.session.rollback()
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据修改失败")
    return jsonify(errno=RET.OK, errmsg="OK")


@profile_blu.route('/pic_info', methods=['post', 'get'])
@user_login_data
def pic_info():
    user = g.user
    if request.method == "GET":
        return render_template('news/user_pic_info.html', data={"user": user.to_dict()})
    try:
        avatar = request.files.get('avatar').read()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    try:
        key = storage(avatar)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, errmsg="上传头像失败")
    # 保存头像地址
    user.avatar_url = key
    try:
        db.session.commit()
    except Exception as e:
        db.session.rollback()
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据修改失败")
    return jsonify(errno=RET.OK, errmsg="OK", data={"avatar_url": constants.QINIU_DOMIN_PREFIX + key})


@profile_blu.route('/pass_info', methods=['post', 'get'])
@user_login_data
def pass_info():
    user = g.user
    if request.method == "GET":
        return render_template('news/user_pass_info.html')
    old_password = request.json.get('old_password')
    new_password = request.json.get('new_password')
    if not all([old_password, new_password]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    if not user.check_passowrd(old_password):
        return jsonify(errno=RET.DATAERR, errmsg='原密码不正确！')
    user.password = new_password
    try:
        db.session.commit()
    except Exception as e:
        db.session.rollback()
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据修改失败")
    return jsonify(errno=RET.OK, errmsg="OK")


@profile_blu.route('/collection', methods=['post', 'get'])
@user_login_data
def user_collection():
    page = request.args.get('p',1)
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1
    user = g.user
    news_list = []
    total_page = 1
    current_page = 1
    try:
        paginate = user.collection_news.paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        current_page = paginate.page
        total_page = paginate.pages
        news_list = paginate.items
    except Exception as e:
        current_app.logger.error(e)

    news_dict_li = []
    for news in news_list:
        news_dict_li.append(news.to_basic_dict())

    data = {
        'total_page': total_page,
        'current_page': current_page,
        'collections': news_dict_li
    }
    return render_template('news/user_collection.html', data=data)


@profile_blu.route('/news_release', methods=['post', 'get'])
@user_login_data
def news_release():
    if request.method == 'GET':
        categories = []
        try:
            categories = Category.query.all()
        except Exception as e:
            current_app.logger.error(e)
        category_dict_li = []
        for category in categories:
            category_dict_li.append(category.to_dict())
        category_dict_li.pop(0)
        data = {
            'categories': category_dict_li
        }
        return render_template('news/user_news_release.html', data=data)
    # 1. 获取要提交的数据
    # 标题
    title = request.form.get('title')
    # 新闻来源
    source = "个人发布"
    # 摘要
    digest = request.form.get('digest')
    # 新闻内容
    content = request.form.get("content")
    # 索引图片
    index_image = request.files.get('index_image')
    # 分类id
    category_id = request.form.get('category_id')
    # 2. 校验参数
    if not all([title, source, digest, content, index_image, category_id]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    try:
        category_id = int(category_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    # 3.取到 参数上传到七牛云
    try:
        index_image_data = index_image.read()
        key = storage(index_image_data)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    news = News()
    news.title = title
    news.source = source
    news.digest = digest
    news.content = content
    news.index_image_url = constants.QINIU_DOMIN_PREFIX + key
    news.category_id = category_id
    news.user_id = g.user.id
    # 1代表待审核状态
    news.status = 1

    try:
        db.session.add(news)
        db.session.commit()
    except Exception as e:
        db.session.rollback()
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据修改失败")
    return jsonify(errno=RET.OK, errmsg="OK")


@profile_blu.route('/news_list')
@user_login_data
def user_news_list():
    page = request.args.get('p', 1)
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    user = g.user
    news_list = []
    total_page = 1
    current_page = 1
    try:
        paginate = News.query.filter(News.user_id == user.id).paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        current_page = paginate.page
        total_page = paginate.pages
        news_list = paginate.items
    except Exception as e:
        current_app.logger.error(e)

    news_dict_li = []
    for news in news_list:
        news_dict_li.append(news.to_review_dict())

    data = {
        'total_page': total_page,
        'current_page': current_page,
        'news_list': news_dict_li
    }

    return render_template('news/user_news_list.html',data=data)


@profile_blu.route('/user_follow')
@user_login_data
def user_follow():
    p = request.args.get('p', 1)
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        p = 1
    user = g.user

    follows = []
    current_page = 1
    total_page = 1
    try:
        paginate = user.followed.paginate(p, constants.USER_FOLLOWED_MAX_COUNT,False)
        follows = paginate.items
        # 获取当前页
        current_page = paginate.page
        # 获取总页数
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)
    user_followed_li = []
    for follow_user in follows:
        user_followed_li.append(follow_user.to_dict())

    data = {
        'total_page': total_page,
        'current_page': current_page,
        'users': user_followed_li
    }
    return render_template('news/user_follow.html', data=data)


@profile_blu.route('/other_info')
@user_login_data
def other_info():
    user = g.user
    other_id = request.args.get('user_id')
    if not other_id:
        abort(404)
    other = None
    try:
        other = User.query.get(other_id)
    except Exception as e:
        current_app.logger.error(e)
    if not other_id:
        abort(404)

    is_followed = False
    if other and user:
        if other in user.followed:
            is_followed = True
    data = {
        'is_followed': is_followed,
        'user': user.to_dict() if user else None,
        'other_info': other.to_dict()
    }
    return render_template('news/other.html', data=data)


@profile_blu.route('/other_news_list')
@user_login_data
def other_news_list():
    other_id = request.args.get('user_id')
    page = request.args.get("p", 1)
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    try:
        other = User.query.get(other_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")
    if not other:
        return jsonify(errno=RET.NODATA, errmsg="当前用户不存在")
    try:
        paginate = other.news_list.paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        # 获取当前页数据
        news_li = paginate.items
        # 获取当前页
        current_page = paginate.page
        # 获取总页数
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")
    news_dict_li = []
    for news_item in news_li:
        news_dict_li.append(news_item.to_basic_dict())

    data = {
        "news_list": news_dict_li,
        "total_page": total_page,
        "current_page": current_page
    }
    return jsonify(errno=RET.OK, errmsg="OK", data=data)